00313nam a2200121Ia 4500008004100000041000800041082001800049100002200067245004300089250001000132260004100142300000800183211209s1984    xx            000 0 und d  aeng  a628.8 SIN/SIN  aSINGH, GURUCHARAN  aWATER SUPPLY AND SANITARY ENGINEERING   a4 ed.  aNEW DELHIbSTANDARD BOOK HOUSEc1984  a517